/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.lvyh.lightframe.tracer.sample.springcloud.provider.controller;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.CollectionUtils;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Map;

@RestController
public class DemoController {

    private static final Logger logger = LoggerFactory.getLogger(DemoController.class);

    @RequestMapping("/hello")
    public String testFeign(HttpServletRequest request, @RequestParam(name = "name") String name) {
        Enumeration headerNames = request.getHeaderNames();
        while (headerNames.hasMoreElements()) {
            String headerName = (String) headerNames.nextElement();
            logger.info("Get client request header:" + headerName + ":" + request.getHeader(headerName));
        }
        return name;
    }

    @RequestMapping(value = "/create-user", method = RequestMethod.POST)
    public String createUser(HttpServletRequest request, @RequestBody Map<String, String> map) {
        Enumeration headerNames = request.getHeaderNames();
        while (headerNames.hasMoreElements()) {
            String headerName = (String) headerNames.nextElement();
            logger.info("Get client request header:" + headerName + ":" + request.getHeader(headerName));
        }
        if (!CollectionUtils.isEmpty(map)) {
            Iterator<Map.Entry<String, String>> it = map.entrySet().iterator();
            while (it.hasNext()) {
                Map.Entry<String, String> entry = it.next();
                logger.info("Print client request body parameters:" + "key = " + entry.getKey() + ", value = " + entry.getValue());
            }
        }
        return "ok";
    }

}
